CVE-2026-56866
HighAdvisory
Published 8 Oct 2026In the index since 9 Oct 2026
- Severity
- High
- worst across findings
- CVSS
- 7.5
- base score, highest
- EPSS
- 0.003
- 22nd percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 5,377
- of 18,104 indexed, latest versions
- Container images
- 6,223
- deployed by those charts
- Fix available
- 1 of 2
- affected packages
HTTP/1 client connection desynchronization after CONNECT rejection in net/http
Carried by container images the latest versions of 5,377 of 18,104 indexed charts deploy, on 6,223 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| stdlibgolang | go1.13, go1.13.1, go1.13.3, go1.13.4+212 more | 1.26.9 | 6,223 |
| golang-1.19deb | 1.19.8-2 | no fix listed | 1 |
- OSV records
- DEBIAN-CVE-2026-56866GO-2026-6605
- Trending
- Rank 8 in indexed charts, since 9 Oct 2026. See the ranking →
Charts affected
5,377 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| reconcilerepmdedpVerified publisher | 2.12.0 | 1 of 1See more | 3,103 |
| sonar-operatorepmdedpVerified publisher | 3.4.0 | 1 of 1See more | 384 |
| tekton-cacheepmdedpVerified publisher | 0.4.5 | 1 of 2See more | 1,163 |
| tekton-custom-taskepmdedpVerified publisher | 0.2.0 | 1 of 1See more | 1,053 |
| codebase-operatorepmdedp-devVerified publisher | 2.12.0-MDTU-DDM-SNAPSHOT.10 | 1 of 1See more | 3,961 |
| gerrit-operatorepmdedp-devVerified publisher | 2.11.0-MDTU-DDM-SNAPSHOT.2 | 1 of 1See more | 3,947 |
| jenkins-operatorepmdedp-devVerified publisher | 2.11.0-MDTU-DDM-SNAPSHOT.1 | 1 of 1See more | 3,400 |
| keycloak-operatorepmdedp-devVerified publisher | 1.11.0-MDTU-DDM-SNAPSHOT.10 | 1 of 1See more | 3,367 |
| equizequiz | 0.0.1 | 1 of 3See more | 9,787 |
| equizequiz-chart | 0.0.1 | 1 of 3See more | 9,787 |
| erasereraser | 1.4.2 | 1 of 1See more | 372 |
| yopassernail-yopass | 2.0.0 | 1 of 1See more | 1,732 |
| escvmschedulerescvmscheduler | 1.0.7 | 1 of 3See more | 6,303 |
| espocrmespocrmVerified publisher | 1.0.1 | 1 of 2See more | 7,949 |
| etcd-defragetcd-defragVerified publisher | 0.28.1 | 1 of 1See more | 218 |
| armiarmaethereum-helm-chartsVerified publisher | 0.1.2 | 1 of 2See more | 1,836 |
| assertoorethereum-helm-chartsVerified publisher | 1.2.0 | 1 of 1See more | 3,574 |
| authenticatoorethereum-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 508 |
| benchmarkoor-apiethereum-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 1,430 |
| blob-me-babyethereum-helm-chartsVerified publisher | 0.1.2 | 1 of 1See more | 2,105 |
| buildoor-overviewethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 901 |
| cbt-apiethereum-helm-chartsVerified publisher | 0.0.14 | 1 of 1See more | 613 |
| chaos-meshethereum-helm-chartsVerified publisher | 0.0.3 | 4 of 4See more | 16,517 |
| checkpointzethereum-helm-chartsVerified publisher | 0.1.3 | 1 of 1See more | 1,198 |
| contributoorethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 1,311 |
| doraethereum-helm-chartsVerified publisher | 1.0.12 | 1 of 2See more | 3,201 |
| dugtrioethereum-helm-chartsVerified publisher | 0.0.7 | 1 of 1See more | 1,812 |
| erpcethereum-helm-chartsVerified publisher | 0.0.4 | 1 of 1See more | 1,452 |
| eth2-fork-monethereum-helm-chartsVerified publisher | 0.1.3 | 1 of 1See more | 2,927 |
| ethereum-address-metrics-exporterethereum-helm-chartsVerified publisher | 0.2.0 | 1 of 1See more | 854 |
| ethereum-metrics-exporterethereum-helm-chartsVerified publisher | 0.2.1 | 1 of 1See more | 322 |
| ethereum-validator-metrics-exporterethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 1,192 |
| eth-faucetethereum-helm-chartsVerified publisher | 0.1.1 | 1 of 1See more | 2,777 |
| execution-processorethereum-helm-chartsVerified publisher | 0.0.3 | 1 of 1See more | 1,061 |
| forkmonethereum-helm-chartsVerified publisher | 0.1.6 | 1 of 1See more | 2,434 |
| forkyethereum-helm-chartsVerified publisher | 0.2.0 | 1 of 1See more | 2,335 |
| lodestarethereum-helm-chartsVerified publisher | 1.2.2 | 1 of 2See more | 3,357 |
| nethermindethereum-helm-chartsVerified publisher | 1.1.2 | 1 of 2See more | 673 |
| rpc-proxyethereum-helm-chartsVerified publisher | 0.1.2 | 1 of 1See more | 2,012 |
| rpc-snooperethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 2,073 |
| slashoorethereum-helm-chartsVerified publisher | 0.1.0 | 1 of 1See more | 678 |
| spamoorethereum-helm-chartsVerified publisher | 1.0.1 | 1 of 1See more | 1,320 |
| splitoorethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 1,776 |
| stubbiesethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 1,277 |
| syncoor-serverethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 1,432 |
| testnet-homepageethereum-helm-chartsVerified publisher | 0.2.3 | 1 of 1See more | 3,844 |
| tracoor-agentethereum-helm-chartsVerified publisher | 0.0.1 | 1 of 1See more | 559 |
| tracoor-serverethereum-helm-chartsVerified publisher | 0.0.2 | 1 of 1See more | 559 |
| tracoor-singleethereum-helm-chartsVerified publisher | 0.0.5 | 1 of 2See more | 559 |
| web3signerethereum-helm-chartsVerified publisher | 1.0.6 | 1 of 4See more | 698 |
Container images carrying it
6,223 by charts deploying them
A fixed version is listed for 1 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| hoppscotch/ | e7ba6061a286 | stdlib | 1.26.9 | 1 |
| huacnlee/ | 560be93229a5 | stdlib | 1.26.9 | 1 |
| huacnlee/ | d9c693e99576 | stdlib | 1.26.9 | 1 |
| huangchengwu6904/ | 1b932f8221a9 | stdlib | 1.26.9 | 1 |
| huseyinbabal/ | ae8eb4053c60 | stdlib | 1.26.9 | 1 |
| huzafach/ | 6e271d43ea48 | stdlib | 1.26.9 | 1 |
| hyperledger/ | c7f3422ec1d5 | stdlib | 1.26.9 | 1 |
| hyperledger/ | f270dfeee91d | stdlib | 1.26.9 | 1 |
| hyperledger/ | 37294e05209b | stdlib | 1.26.9 | 1 |
| hyperledger/ | bf4995c86af6 | stdlib | 1.26.9 | 1 |
| hyperledgerk8s/ | 1f1a06b61f18 | stdlib | 1.26.9 | 1 |
| hyperledgerk8s/ | d8bc31176257 | stdlib | 1.26.9 | 1 |
| hyperledgerk8s/ | 29a8af8be270 | stdlib | 1.26.9 | 1 |
| hyperledgerk8s/ | 729b3d128487 | stdlib | 1.26.9 | 1 |
| hyperledgerk8s/ | ed0b0c56f1ea | stdlib | 1.26.9 | 1 |
| hyperledgerk8s/ | d0a3a35a138d | stdlib | 1.26.9 | 1 |
| hyperledgerk8s/ | 2237cb80f52b | stdlib | 1.26.9 | 1 |
| iamdorsah/ | db83a0254d81 | stdlib | 1.26.9 | 1 |
| ianw/ | dc49dd460c37 | stdlib | 1.26.9 | 1 |
| ibarreche/ | 1f45af91da6a | stdlib | 1.26.9 | 1 |
| igrantio/ | 2d2ea6546ffe | stdlib | 1.26.9 | 1 |
| ildarmukhametzyanov/ | 15d23720a3ee | stdlib | 1.26.9 | 1 |
| inaccel/ | a5d3d0af05c1 | stdlib | 1.26.9 | 1 |
| inaccel/ | 44b4f274f40b | stdlib | 1.26.9 | 1 |
| inaccel/ | bdfd61803a70 | stdlib | 1.26.9 | 1 |
| inbucket/ | 1f10a0efea69 | stdlib | 1.26.9 | 1 |
| indevlab/ | 8bc689d093a7 | stdlib | 1.26.9 | 1 |
| infisical/ | fd40aa379818 | stdlib | 1.26.9 | 1 |
| infisical/ | 3f014f284cb9 | stdlib | 1.26.9 | 1 |
| infisical/ | 6b911e3938ac | stdlib | 1.26.9 | 1 |
| infisical/ | 718dd5bee7cb | stdlib | 1.26.9 | 1 |
| infisical/ | e3390e677db6 | stdlib | 1.26.9 | 1 |
| infisical/ | 8c1cf30ef822 | stdlib | 1.26.9 | 1 |
| infisical/ | ff38294270e3 | stdlib | 1.26.9 | 1 |
| inseefrlab/ | b377aec3ead1 | stdlib | 1.26.9 | 1 |
| inseefrlab/ | 31f04ca7436b | stdlib | 1.26.9 | 1 |
| intel/ | 1e60686c2170 | stdlib | 1.26.9 | 1 |
| intel/ | ac758c14c2de | stdlib | 1.26.9 | 1 |
| intel/ | 143f0a45e174 | stdlib | 1.26.9 | 1 |
| intel/ | e158711e32ce | stdlib | 1.26.9 | 1 |
| intel/ | ac7616986a2b | stdlib | 1.26.9 | 1 |
| intel/ | 3426deb77337 | stdlib | 1.26.9 | 1 |
| intel/ | 591a9db4a427 | stdlib | 1.26.9 | 1 |
| invisibl/ | 1a970f84178b | stdlib | 1.26.9 | 1 |
| invisibl/ | 1029f4fe20eb | stdlib | 1.26.9 | 1 |
| invisibl/ | cf5400cb935a | stdlib | 1.26.9 | 1 |
| iofog/ | 7260cf861479 | stdlib | 1.26.9 | 1 |
| iomesh/ | 376577ed98ac | stdlib | 1.26.9 | 1 |
| iomesh/ | d86dab5611a7 | stdlib | 1.26.9 | 1 |
| iomesh/ | 026a1d87f6e9 | stdlib | 1.26.9 | 1 |